Online Tools and Calculators > Financial Calculators > Sharpe Ratio Calculator

Sharpe Ratio Calculator

Expected portfolio return (%):
Risk free rate (%):
Portfolio standard deviation (%):

About Sharpe Ratio Calculator

The Sharpe Ratio Calculator is used to calculate the Sharpe ratio.


The Sharpe ratio, named after William Forsyth Sharpe, is a measure of the excess return (or risk premium) per unit of risk in an investment asset or a trading strategy. The Sharpe ratio is used to characterize how well the return of an asset compensates the investor for the risk taken, the higher the Sharpe ratio number the better. A negative Sharpe ratio indicates that a risk-less asset would perform better than the security being analyzed.

The Sharpe ratio is also called the Sharpe index, Sharpe measure or reward-to-variability ratio.

The Sharpe ratio is calculated by subtracting the risk-free rate from the rate of return for a portfolio and dividing the result by the standard deviation of the portfolio returns. The Sharpe ratio formula is as follows:

Sharpe Ratio = (Expected portfolio return - Risk free rate) / Portfolio standard deviation

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